3571 search results - page 102 / 715 » On the Power of Imperfect Information |
147
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ICC
2007
IEEE
16 years 21 days ago
2007
IEEE
Abstract— This paper proposes the opportunistic power allocation (OPA) scheme for random beamforming with a limited feedback rate. Without the channel state information, the prop...
185
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IWCMC
2009
ACM
16 years 27 days ago
2009
ACM
We derive theoretical bit and frame error rate expressions for decode-and-forward (DF) collaborative networks containing M users, employing a variety of block codes over a Rayleig...
168
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ICC
2008
IEEE
16 years 25 days ago
2008
IEEE
—We consider an amplify-and-forward scheme for two-way relaying over OFDM, in which two nodes wish to exchange information via a relay. Assuming full channel knowledge, we perfor...
184
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ICC
2007
IEEE
16 years 21 days ago
2007
IEEE
— Relay power allocation has been shown to provide substantial performance gain in wireless relay channels when perfect global channel state information (CSI) is available. In th...
153
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ARCS
2005
Springer
15 years 12 months ago
2005
Springer
The power consumption of peripheral devices is a significant portion of the overall energy usage of a mobile platform. To take advantage of idle times, most devices offer the abi...